Spatial summation of signals and adaptation by the surround response mechanism of cat retinal ganglion cells

H. I. Cohen, W. G. Christen, R. W. Winters

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

The summing properties of the surround response mechanism of cat retinal ganglion cells were assessed by determining area-sensitivity and area-adaptation curves. The two curves were found to be similar for X and Y cells but for many Y cells adaptive sensitivity was found to be dependent upon the size of the test target. These results suggest that, for X cells, the retinal area over which the surround integrates signals and adaptation are spatially coextensive. Most Y cells appear to pool adaptive effects over a smaller region than they pool signals.

Original languageEnglish (US)
Pages (from-to)207-212
Number of pages6
JournalExperimental Brain Research
Volume44
Issue number2
DOIs
StatePublished - Oct 1 1981

Keywords

  • Adaptation
  • Retinal ganglion cells

ASJC Scopus subject areas

  • Neuroscience(all)

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